//
// HttpClientProvider.cs
//
// Author:
//       Matt Ward <matt.ward@microsoft.com>
//
// Copyright (c) 2018 Microsoft
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.Net;
using System.Net.Http;

namespace Mono.Addins.Setup
{
	/// <summary>
	/// Creates a HttpClient with support for authenticated proxies.
	/// </summary>
	public static class HttpClientProvider
	{
		static Func<string, HttpClient> httpClientFactory;

		public static void SetHttpClientFactory (Func<string, HttpClient> factory)
		{
			httpClientFactory = factory;
		}

		static internal bool HasCustomCreation {
			get { return httpClientFactory != null; }
		}

		/// <summary>
		/// Creates a new HttpClient.
		/// </summary>
		/// <returns>The HttpClient.</returns>
		/// <param name="uri">The request url.</param>
		public static HttpClient CreateHttpClient (string uri)
		{
			if (httpClientFactory != null)
				return httpClientFactory.Invoke (uri);

			var handler = new HttpClientHandler {
				AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip
			};
			return new HttpClient (handler);
		}
	}
}
